api/auth: properly check not found error
api/auth: properly check not found error

guilhermebr/tsuru,firebitsbr/tsuru,mderaldo/tsuru,hcxiong/tsuru,cezarsa/tsuru,gwmoura/tsuru,hcxiong/tsuru,tsuru/tsuru,4eek/tsuru,tuxmonteiro/tsuru,jblancett/tsuru,gciotta/tsuru,cgvarela/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru,tsuru/tsuru,ggarnier/tsuru,Endika/tsuru,hugoantunes/tsuru,hugoantunes/tsuru,RichardKnop/tsuru,ggarnier/tsuru,cgvarela/tsuru,cezarsa/tsuru,firebitsbr/tsuru,hcxiong/tsuru,gciotta/tsuru,jblancett/tsuru,Endika/tsuru,mderaldo/tsuru,ggarnier/tsuru,guilhermebr/tsuru,firebitsbr/tsuru,mderaldo/tsuru,ArxdSilva/tsuru,kgrvamsi/tsuru,tuxmonteiro/tsuru,guilhermebr/tsuru,cgvarela/tsuru,ArxdSilva/tsuru,gciotta/tsuru,cezarsa/tsuru,gwmoura/tsuru,RichardKnop/tsuru,RichardKnop/tsuru,kgrvamsi/tsuru,ArxdSilva/tsuru,tsuru/tsuru,gwmoura/tsuru,kgrvamsi/tsuru,4eek/tsuru,ggarnier/tsuru,4eek/tsuru,tuxmonteiro/tsuru,tsuru/tsuru,cezarsa/tsuru,Endika/tsuru,jblancett/tsuru